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FY2026 GAA: ₱6.79T
PisoScan
DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 2ND DEO Award a ₱4.8M contract to GRAY ONYX BUILDERS CO.National agencies

Transaction hash:
5100b24d4c00e6dda7023caa5a9dc442c163fc7f5ff4579b5244be445f9e9317
Status:
Included and unchanged
Block:
#3,977 2,036 blocks after it
Position in block:
Transaction 111 of 375
Award day:
Dec 26, 2019 (6 yrs 10 mo ago)

Accountability

Bill Sec. 3 and 19
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #3,977 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Outside Infra - GAA 2019 DA FMR", i.e. the FY2019 GAA. The exact UACS line is not given.
    Partly
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 2ND DEO awarded it to GRAY ONYX BUILDERS CO. on 2019-12-26.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19CH0159: Completed, 100% physical progress.
    Found
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2020-03-10). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   5100b24d4c…9e9317now      …
  2. 2. Block Merkle root changed
    stored   888190f5fa…d106fenow      …
  3. 3. Block #3977 hash changed
    stored   4292df5159…fe8685now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 374 records. Each step hashes the current value together with the sibling shown.

  1. leaf  5100b24d4c00e6dda7023caa5a9dc442c163fc7f5ff4579b5244be445f9e9317
  2. 01 L 50b19b021122ab68e0d7f3e5c4f4b96477ee4d10d20ec1d1b1bec97ffa6c9dc0
  3. 02 L 667f44639e47d51b08692a5beb72bc1dcf1eb80df140ca5d46d15d2f308a40b8
  4. 03 L b2b6a526f4aca2d8df894a4f78d361b08776c9a40f0b874da416f05194ba4b56
  5. 04 L 9729dd24e8ca739dbed2b7e7dca8c80b680450da8d4fc7e844fb8344ae4e551c
  6. 05 R 2b38677d2b4abcefc7aaf7dc8868998a7cee5b1d30ca617d9fb8ae5aea3516ac
  7. 06 L b2f47f22ef732cfba88cacc25b8b169e0fd3120b3e4f20d545c77411efcb52a7
  8. 07 L 12ae0ad254cfc02d3c9884dd78afdcc89d593ece4c811597c97b607c41acc64d
  9. 08 R d5167b15705dc4964e9a6086b33dc2467ebc7dac39a526d542e5d0e0eed22532
  10. 09 R 9b03e0b0f778bd8edc8eb003352fede24a7893315f90551d8f666df4b0a6a621
  11. root  888190f5fad409a76b38d3449d3493c0126df7583a625b4ed421c31986d106fe